Find out which trees and shrubs shouldn’t be pruned in May to protect their growth and your garden’s biodiversity!


As the month of May rolls out its carpet of brilliant flowers and nature awakens in abundance, gardeners tinker with their tools, waiting to carve out their own patch of greenery.

However, while enthusiasm for pruning plants may be at an all-time high, it’s crucial to know which tree and shrub species prefer to be spared during this period of active growth.

In this article, we’ll share tips essential tips from gardening to help you identify plants that would benefit from being left in peace during the lovely month of May.

In this way, you can not only respect the natural cycle of your plantings, but also ensure their good health and flowering for seasons to come.

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The risks of late pruning: why some trees should not be cut in May

Late tree pruning in May can lead to several risks inconveniences. During this period, many plants begin their active growth phase, mobilizing their reserves to bud and flower.

Pruning at this stage weakens trees, as they lose a significant quantity of sap, vital to their development. This inappropriate practice also exposes fresh cuttings to parasitic infestations and fungal diseases, taking advantage of a weakened system to establish themselves.

It is therefore crucial to respect the natural cycle of species to maintain their health and vigour.

List of sensitive species: which shrubs and trees to preserve during this period

Certain tree and shrub species are particularly sensitive vulnerable during the spring season.

It is advisable to avoid pruning cherry trees and apple treesas they could be exposed to diseases such as moniliosis. Spring-blooming shrubs, such as forsythia and lilac, should not be pruned in May, as this could suppress future flowering.

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Species producing abundant sap, such as maples and birches, are also at risk if pruned late, which can lead to general weakening of the plant.

Consequences for plant health: what happens if you prune at the wrong time

Pruning trees and shrubs at the wrong time can lead to serious serious consequences for their health. When pruning is carried out in May, it can disrupt the period of sap rise, essential for growth. This can lead to:

  • A increased vulnerability to diseases and parasites.
  • Slow wound healing, favoring fungal infections.
  • Severe stress weakens the plant and reduces future flowering.

Respecting the pruning schedule is therefore crucial to maintaining healthy, vigorous growth.

Alternative gardening tips: what else to do in your garden in May

In May, leave the size sensitive trees and concentrate on other beneficial tasks. This is the ideal time to enrich your soil with compost to promote plant growth.

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Sow seeds for annual flowers or plant summer bulbs for brilliant blooms. Also remember to install supports for climbing plants and weed your flowerbeds.

Preparing your watering systems or installing a rainwater recovery system will optimize water management in your garden.

Prudence with pruning shears in spring

To maintain the health and vigor of your garden, it’s essential to follow the pruning schedule for each plant species. The month of May, often rich in flowering, is not the ideal time to prune certain species. trees and shrubs.

This key period in their life cycle is when they draw on their reserves to offer flowers and foliage. Untimely cutting can hinder their growth, reduce flowering or even expose them to disease.

So it’s best to observe and enjoy the natural spectacle they offer, postponing pruning to a more appropriate time. In this way, your garden will remain a place of diversity and balance, where each plant can flourish according to its natural rhythm.

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